search
Technologies and
Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Centers
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Company
Profile
Greetings
Corporate Identity and Code of Conduct
Health & Safety, Environmental and Quality Management System Policies
Company Profile
Directors, Auditors and Executive officers
Corporate Organization
History
Places of Business
Group Companies
Recruit
Career recruitment information for offshore wind section.
Sustainability
Toyo Construction Group’s Sustainability
Latest Integrated Report
Topics
General News
Technical News
IR News
TOYO HISTORY
Contact us
Language
日本語
ENGLISH
TOYO HISTORY
LANGUAGE
News Release
IR News
2025.12.15
Notice Regarding the Company’s Share Delisting from the Stock Exchange
[102KB: PDF]
IR News
2025.11.13
Notice Regarding the Approval of the General Meeting of Shareholder for Share Consolidation, Abolition of the Trading Share Unit Provision
[173KB: PDF]
IR News
2025.11.10
Historical Data(FY2023-FY2025)
IR News
2025.11.10
Summary of Consolidated Financial Results for the cumulative Second Quarter (Semi-annual Term) Ended September 30, 2025 Based on Japanese GAAP
[717KB: PDF]
IR News
2025.11.10
Supplemental Document April -September period of the Fiscal Year ending March 31, 2026
[1972KB: PDF]
IR News
2025.10.21
Convocation Notice of an Extraordinary General Meeting of Shareholders
[243KB: PDF]
IR News
2025.10.14
Notice Regarding the Cancellation of Treasury Shares
[110KB: PDF]
IR News
2025.10.14
Convening an Extraordinary General Meeting of Shareholders for Share Consolidation, Abolition of the Trading Share Unit
[263KB: PDF]
IR News
2025.10.02
Notice Regarding the Credit Rating Upgrade
[164KB: PDF]
IR News
2025.09.30
Notice Concerning Change of a Representative Director (Resignation) and Resignation of Directors
[144KB: PDF]
General News
IR News
Technical News
movie
Career recruitment information for offshore wind section.
Toyo Construction Group’s
Sustainability.
Latest
Integrated Report
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Civil Engineering Works
Nigata Port (Western Port Area) Road Tunnel
Building Construction Works
Marina Kawage
Overseas Works
Cai Mep-Thi Vai International Port, International Container Terminal
Overseas Works
JFE SHOJI STEEL Hai Phong Co., Ltd.
Factory Building
Overseas Works
SANYO DENKI Philippines, Inc.
SANYO DENKI Factory Expansion(Construction by CCT)
Building Construction Works
Kagoshima Harbor Airport Office
Civil Engineering Works
Shin-Tomei Expressway Shizuoka-Higashi Section
Building Construction Works
National Sanatorium Okinawa Airakuen
Civil Engineering Works
Kita-Kyushu Airport, Fukuoka
Building Construction Works
Granda Oyama
Technologies and Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Institute
Construction Technologies Using Work Ships
Mechanical Rubble Leveling Construction Method
Structural Research Facilities
Structural Experiment Equipment and Testing Equipment
Technologies and Solutions-Offshore-Wind
Floating Wind: Tension Leg Platform (TLP)
Decontamination Measures
Bottom Sediment Decontamination System for Lakes, Marshes, Rivers, and Other Waters
Trends
Medium- to Long-Term Repair Planning Calculation System
Hydraulic Engineering Research Facilities
Wave Basin with Multidirectional Random Wave Generator
Liquefaction Prevention Measures
Static Densification Pile Construction Method: SDP-N Construction Method
Structures/Foundations
Biodegradable Gel Curing Construction Method: GETT Cure
Port and Harbor/Offshore/Coastal Structures
Concrete Placing Management System
Soil/Ground Environment Research Facilities
Beam Centrifuge
TOYO HISTORY
First Period
From the founding of the Company to the end of the Second World War
Second Period
From the end of WWII to 1965
Third Period
1965-1975
Fourth Period
1975-1984
Fifth Period
1985-1998
Sixth Period
1998 to the present
Read more
Language
日本語
ENGLISH
Search